The Valve,check, cataloged under National Stock Number 4820-01-280-3935, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is D & D Instruments Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-280-3935 |
| Primary Part Number | 995257 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | D & D Instruments Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-280-3935 is a Valve,check, manufactured by D & D Instruments Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-280-3935 has 3 cross-referenced part numbers: 995257 (D & D Instruments Inc), 18164 (Horton Industries Inc), 995257 (Horton Mfg Co).
There are 8 known substitutes for 4820-01-280-3935: 5945-00-329-6315, 5330-00-343-6120, 5940-00-983-6059 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 995257: Flow Control Device: DISK; Special Features: 2320-01-230-0307; Valve Operation Method: AUTOMATIC. 3 total characteristics are documented in the Federal Logistics Information System.